Drain



FIG. 1 is a top plan view of a drain;

FIG. 2 is a perspective view of the drain shown in FIG. 1;

FIG. 3 is a cross-sectional view of the drain taken along line 3-3 in FIG. 2;

FIG. 4 is a cross-sectional view of the drain taken along line 4-4 in FIG. 2;

FIG. 5 is a cross-sectional view of the drain taken along line 5-5 in FIG. 2;

FIG. 6 is a front elevation view of the drain shown in FIG. 1;

FIG. 7 is a cross-sectional view of the drain taken along line 7-7 in FIG. 2;

FIG. 8 is an enlarged detail view encompassed in box 8 shown in FIG. 7; and,

FIG. 9 is an enlarged detail view encompassed in box 8 shown in FIG. 7. 

CLAIM The ornamental design for a drain, as shown and described. 